border edge England english footpath forest fresh Great Britain green growth landscape lush margin natural nature path sapling shadow spring sunlight Sussex track trail tree woodland bank bird blue countryside current flow gentle peaceful placid reflection river rural sky swan tranquil water boundary cloud crops exercise farm field grasses meadow walk winter animal baby domesticated fleece grass lambs mammal mother relax rest sheep sit wool alone bracken clouds heath heathland isolated lone oak one Quercus petraea sessile single summer antennae bright butterfly common head insect Lepidoptera Lycaenidae metallic perch Polyommatus icarus rhopalocera South Downs sunbathe wings architecture autumn bucolic cottage fall home house old outhouse pens privy Quercus stone trees vintage wall flowers harvested hill national park papaver plants poppies poppy red stubble verge wild day eating feeding fine flock graze grazing livestock backdrop background beech color colour Fagus fallen leaf leaves litter plant sodden texture wet petals primrose Primula vulgaris yellow